Tractor Trailer Park Valve W/2-Way Check Valve

This precision-engineered and manufactured product is designed to deliver optimum performance for specific applications. With its all-brass construction, it ensures years of dependable and trouble-free operation. Unlike remanufactured options, this product is brand new. It comes with a mounting nut and features a 2-way check valve that allows either primary or secondary air supply to operate spring brakes on tractor and/or trailer combinations. With a stem diameter of .377" and 1/4" - 18 NPTF all ports, this product is practical and versatile. Additionally, it offers an available option of a valve with a barbed fitting exhaust port for 1/2" nylon tubing, fitting most makes and models.